ieee80211.h.svn-base

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/*-
 * Copyright (c) 2001 Atsushi Onoe
 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id$
 */
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_

/*
 * 802.11 protocol definitions.
 */

#define	IEEE80211_ADDR_LEN		6		/* size of 802.11 address */
/* is 802.11 address multicast/broadcast? */
#define	IEEE80211_IS_MULTICAST(_a)	(*(_a) & 0x01)

/* IEEE 802.11 PLCP header */
struct ieee80211_plcp_hdr {
	u_int16_t i_sfd;
	u_int8_t i_signal;
	u_int8_t i_service;
	u_int16_t i_length;
	u_int16_t i_crc;
} __packed;

#define IEEE80211_PLCP_SFD      0xF3A0
#define IEEE80211_PLCP_SERVICE  0x00

/*
 * generic definitions for IEEE 802.11 frames
 */
struct ieee80211_frame {
	u_int8_t i_fc[2];
	__le16 i_dur;
	u_int8_t i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t i_seq[2];
	/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
	/* see below */
} __packed;

struct ieee80211_qosframe {
	u_int8_t i_fc[2];
	__le16 i_dur;
	u_int8_t i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t i_seq[2];
	u_int8_t i_qos[2];
	/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
	/* see below */
} __packed;

struct ieee80211_qoscntl {
	u_int8_t i_qos[2];
};

struct ieee80211_frame_addr4 {
	u_int8_t i_fc[2];
	__le16 i_dur;
	u_int8_t i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t i_seq[2];
	u_int8_t i_addr4[IEEE80211_ADDR_LEN];
} __packed;


struct ieee80211_qosframe_addr4 {
	u_int8_t i_fc[2];
	__le16 i_dur;
	u_int8_t i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t i_seq[2];
	u_int8_t i_addr4[IEEE80211_ADDR_LEN];
	u_int8_t i_qos[2];
} __packed;

struct ieee80211_ctlframe_addr2 {
	u_int8_t i_fc[2];
	__le16 i_aidordur; /* AID or duration */
	u_int8_t i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t i_addr2[IEEE80211_ADDR_LEN];
} __packed;

#define	IEEE80211_FC0_VERSION_MASK		0x03
#define	IEEE80211_FC0_VERSION_SHIFT		0
#define	IEEE80211_FC0_VERSION_0			0x00
#define	IEEE80211_FC0_TYPE_MASK			0x0c
#define	IEEE80211_FC0_TYPE_SHIFT		2
#define	IEEE80211_FC0_TYPE_MGT			0x00
#define	IEEE80211_FC0_TYPE_CTL			0x04
#define	IEEE80211_FC0_TYPE_DATA			0x08

#define	IEEE80211_FC0_SUBTYPE_MASK		0xf0
#define	IEEE80211_FC0_SUBTYPE_SHIFT		4
/* for TYPE_MGT */
#define	IEEE80211_FC0_SUBTYPE_ASSOC_REQ		0x00
#define	IEEE80211_FC0_SUBTYPE_ASSOC_RESP	0x10
#define	IEEE80211_FC0_SUBTYPE_REASSOC_REQ	0x20
#define	IEEE80211_FC0_SUBTYPE_REASSOC_RESP	0x30
#define	IEEE80211_FC0_SUBTYPE_PROBE_REQ		0x40
#define	IEEE80211_FC0_SUBTYPE_PROBE_RESP	0x50
#define	IEEE80211_FC0_SUBTYPE_BEACON		0x80
#define	IEEE80211_FC0_SUBTYPE_ATIM		0x90
#define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0
#define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0
#define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0
#define IEEE80211_FC0_SUBTYPE_ACTION		0xd0
/* for TYPE_CTL */
#define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0
#define	IEEE80211_FC0_SUBTYPE_RTS		0xb0
#define	IEEE80211_FC0_SUBTYPE_CTS		0xc0
#define	IEEE80211_FC0_SUBTYPE_ACK		0xd0
#define	IEEE80211_FC0_SUBTYPE_CF_END		0xe0
#define	IEEE80211_FC0_SUBTYPE_CF_END_ACK	0xf0
/* for TYPE_DATA (bit combination) */
#define	IEEE80211_FC0_SUBTYPE_DATA		0x00
#define	IEEE80211_FC0_SUBTYPE_CF_ACK		0x10
#define	IEEE80211_FC0_SUBTYPE_CF_POLL		0x20
#define	IEEE80211_FC0_SUBTYPE_CF_ACPL		0x30
#define	IEEE80211_FC0_SUBTYPE_NULL		0x40
#define	IEEE80211_FC0_SUBTYPE_CFACK		0x50
#define	IEEE80211_FC0_SUBTYPE_CFPOLL		0x60
#define	IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK	0x70
#define	IEEE80211_FC0_SUBTYPE_QOS		0x80
#define	IEEE80211_FC0_SUBTYPE_QOS_NULL		0xc0

#define	IEEE80211_FC1_DIR_MASK			0x03
#define	IEEE80211_FC1_DIR_NODS			0x00	/* STA->STA */
#define	IEEE80211_FC1_DIR_TODS			0x01	/* STA->AP  */
#define	IEEE80211_FC1_DIR_FROMDS		0x02	/* AP ->STA */
#define	IEEE80211_FC1_DIR_DSTODS		0x03	/* AP ->AP  */

#define	IEEE80211_FC1_MORE_FRAG			0x04
#define	IEEE80211_FC1_RETRY			0x08
#define	IEEE80211_FC1_PWR_MGT			0x10
#define	IEEE80211_FC1_MORE_DATA			0x20
#define	IEEE80211_FC1_PROT			0x40
#define	IEEE80211_FC1_ORDER			0x80

#define	IEEE80211_SEQ_FRAG_MASK			0x000f
#define	IEEE80211_SEQ_FRAG_SHIFT		0
#define	IEEE80211_SEQ_SEQ_MASK			0xfff0
#define	IEEE80211_SEQ_SEQ_SHIFT			4

#define	IEEE80211_SEQ_LEQ(a,b)	((int)((a)-(b)) <= 0)

#define	IEEE80211_NWID_LEN			32

#define	IEEE80211_QOS_TXOP			0x00ff
/* bit 8 is reserved */
#define	IEEE80211_QOS_ACKPOLICY			0x60
#define	IEEE80211_QOS_ACKPOLICY_S		5
#define	IEEE80211_QOS_EOSP			0x10
#define	IEEE80211_QOS_EOSP_S			4
#define	IEEE80211_QOS_TID			0x0f

#define IEEE80211_FRM_HAS_BODY(_wh)			\
	(((_wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) !=	\
			IEEE80211_FC0_TYPE_CTL)

/*
 * Country/Region Codes from MS WINNLS.H
 * Numbering from ISO 3166
 * XXX belongs elsewhere
 */
enum CountryCode {
	CTRY_ALBANIA              = 8,       /* Albania */
	CTRY_ALGERIA              = 12,      /* Algeria */
	CTRY_ARGENTINA            = 32,      /* Argentina */
	CTRY_ARMENIA              = 51,      /* Armenia */
	CTRY_AUSTRALIA            = 36,      /* Australia */
	CTRY_AUSTRIA              = 40,      /* Austria */
	CTRY_AZERBAIJAN           = 31,      /* Azerbaijan */
	CTRY_BAHRAIN              = 48,      /* Bahrain */
	CTRY_BELARUS              = 112,     /* Belarus */
	CTRY_BELGIUM              = 56,      /* Belgium */
	CTRY_BELIZE               = 84,      /* Belize */
	CTRY_BOLIVIA              = 68,      /* Bolivia */
	CTRY_BRAZIL               = 76,      /* Brazil */
	CTRY_BRUNEI_DARUSSALAM    = 96,      /* Brunei Darussalam */
	CTRY_BULGARIA             = 100,     /* Bulgaria */
	CTRY_CANADA               = 124,     /* Canada */
	CTRY_CHILE                = 152,     /* Chile */
	CTRY_CHINA                = 156,     /* People's Republic of China */
	CTRY_COLOMBIA             = 170,     /* Colombia */
	CTRY_COSTA_RICA           = 188,     /* Costa Rica */
	CTRY_CROATIA              = 191,     /* Croatia */
	CTRY_CYPRUS               = 196,
	CTRY_CZECH                = 203,     /* Czech Republic */
	CTRY_DENMARK              = 208,     /* Denmark */
	CTRY_DOMINICAN_REPUBLIC   = 214,     /* Dominican Republic */
	CTRY_ECUADOR              = 218,     /* Ecuador */
	CTRY_EGYPT                = 818,     /* Egypt */
	CTRY_EL_SALVADOR          = 222,     /* El Salvador */
	CTRY_ESTONIA              = 233,     /* Estonia */
	CTRY_FAEROE_ISLANDS       = 234,     /* Faeroe Islands */
	CTRY_FINLAND              = 246,     /* Finland */
	CTRY_FRANCE               = 250,     /* France */
	CTRY_FRANCE2              = 255,     /* France2 */
	CTRY_GEORGIA              = 268,     /* Georgia */
	CTRY_GERMANY              = 276,     /* Germany */
	CTRY_GREECE               = 300,     /* Greece */
	CTRY_GUATEMALA            = 320,     /* Guatemala */
	CTRY_HONDURAS             = 340,     /* Honduras */
	CTRY_HONG_KONG            = 344,     /* Hong Kong S.A.R., P.R.C. */
	CTRY_HUNGARY              = 348,     /* Hungary */
	CTRY_ICELAND              = 352,     /* Iceland */
	CTRY_INDIA                = 356,     /* India */
	CTRY_INDONESIA            = 360,     /* Indonesia */
	CTRY_IRAN                 = 364,     /* Iran */
	CTRY_IRAQ                 = 368,     /* Iraq */
	CTRY_IRELAND              = 372,     /* Ireland */
	CTRY_ISRAEL               = 376,     /* Israel */
	CTRY_ITALY                = 380,     /* Italy */
	CTRY_JAMAICA              = 388,     /* Jamaica */
	CTRY_JAPAN                = 392,     /* Japan */
	CTRY_JAPAN1               = 393,     /* Japan (JP1) */
	CTRY_JAPAN2               = 394,     /* Japan (JP0) */
	CTRY_JAPAN3               = 395,     /* Japan (JP1-1) */
	CTRY_JAPAN4               = 396,     /* Japan (JE1) */
	CTRY_JAPAN5               = 397,     /* Japan (JE2) */
	CTRY_JAPAN6               = 399,	 /* Japan (JP6) */
	CTRY_JAPAN7               = 900,	 /* Japan */
	CTRY_JAPAN8               = 901,	 /* Japan */
	CTRY_JAPAN9               = 902,	 /* Japan */
	CTRY_JAPAN10	      = 903,	 /* Japan */
	CTRY_JAPAN11	      = 904,	 /* Japan */
	CTRY_JAPAN12	      = 905,	 /* Japan */
	CTRY_JAPAN13	      = 906,	 /* Japan */
	CTRY_JAPAN14	      = 907,	 /* Japan */
	CTRY_JAPAN15	      = 908,	 /* Japan */
	CTRY_JAPAN16	      = 909,	 /* Japan */
	CTRY_JAPAN17	      = 910,	 /* Japan */
	CTRY_JAPAN18	      = 911,	 /* Japan */
	CTRY_JAPAN19	      = 912,	 /* Japan */
	CTRY_JAPAN20	      = 913,	 /* Japan */
	CTRY_JAPAN21	      = 914,	 /* Japan */
	CTRY_JAPAN22	      = 915,	 /* Japan */
	CTRY_JAPAN23	      = 916,	 /* Japan */
	CTRY_JAPAN24	      = 917,	 /* Japan */
	CTRY_JAPAN25	      = 918,	 /* Japan */
	CTRY_JAPAN26	      = 919,	 /* Japan */
	CTRY_JAPAN27	      = 920,	 /* Japan */
	CTRY_JAPAN28	      = 921,	 /* Japan */
	CTRY_JAPAN29	      = 922,	 /* Japan */
	CTRY_JAPAN30	      = 923,	 /* Japan */
	CTRY_JAPAN31	      = 924,	 /* Japan */
	CTRY_JAPAN32	      = 925,	 /* Japan */
	CTRY_JAPAN33	      = 926,	 /* Japan */
	CTRY_JAPAN34	      = 927,	 /* Japan */
	CTRY_JAPAN35	      = 928,	 /* Japan */
	CTRY_JAPAN36	      = 929,	 /* Japan */
	CTRY_JAPAN37	      = 930,	 /* Japan */
	CTRY_JAPAN38	      = 931,	 /* Japan */
	CTRY_JAPAN39	      = 932,	 /* Japan */
	CTRY_JAPAN40	      = 933,	 /* Japan */
	CTRY_JAPAN41	      = 934,	 /* Japan */
	CTRY_JAPAN42	      = 935,	 /* Japan */
	CTRY_JAPAN43	      = 936,	 /* Japan */
	CTRY_JAPAN44	      = 937,	 /* Japan */
	CTRY_JAPAN45	      = 938,	 /* Japan */
	CTRY_JAPAN46	      = 939,	 /* Japan */
	CTRY_JAPAN47	      = 940,	 /* Japan */
	CTRY_JAPAN48	      = 941,	 /* Japan */
	CTRY_JORDAN               = 400,     /* Jordan */
	CTRY_KAZAKHSTAN           = 398,     /* Kazakhstan */
	CTRY_KENYA                = 404,     /* Kenya */
	CTRY_KOREA_NORTH          = 408,     /* North Korea */
	CTRY_KOREA_ROC            = 410,     /* South Korea */
	CTRY_KOREA_ROC2           = 411,     /* South Korea */
	CTRY_KUWAIT               = 414,     /* Kuwait */
	CTRY_LATVIA               = 428,     /* Latvia */
	CTRY_LEBANON              = 422,     /* Lebanon */
	CTRY_LIBYA                = 434,     /* Libya */
	CTRY_LIECHTENSTEIN        = 438,     /* Liechtenstein */
	CTRY_LITHUANIA            = 440,     /* Lithuania */
	CTRY_LUXEMBOURG           = 442,     /* Luxembourg */
	CTRY_MACAU                = 446,     /* Macau */
	CTRY_MACEDONIA            = 807,     /* the Former Yugoslav Republic of Macedonia */
	CTRY_MALAYSIA             = 458,     /* Malaysia */
	CTRY_MEXICO               = 484,     /* Mexico */
	CTRY_MONACO               = 492,     /* Principality of Monaco */
	CTRY_MOROCCO              = 504,     /* Morocco */
	CTRY_NETHERLANDS          = 528,     /* Netherlands */
	CTRY_NEW_ZEALAND          = 554,     /* New Zealand */
	CTRY_NICARAGUA            = 558,     /* Nicaragua */
	CTRY_NORWAY               = 578,     /* Norway */
	CTRY_OMAN                 = 512,     /* Oman */
	CTRY_PAKISTAN             = 586,     /* Islamic Republic of Pakistan */
	CTRY_PANAMA               = 591,     /* Panama */
	CTRY_PARAGUAY             = 600,     /* Paraguay */
	CTRY_PERU                 = 604,     /* Peru */
	CTRY_PHILIPPINES          = 608,     /* Republic of the Philippines */
	CTRY_POLAND               = 616,     /* Poland */
	CTRY_PORTUGAL             = 620,     /* Portugal */
	CTRY_PUERTO_RICO          = 630,     /* Puerto Rico */
	CTRY_QATAR                = 634,     /* Qatar */
	CTRY_ROMANIA              = 642,     /* Romania */
	CTRY_RUSSIA               = 643,     /* Russia */
	CTRY_SAUDI_ARABIA         = 682,     /* Saudi Arabia */
	CTRY_SINGAPORE            = 702,     /* Singapore */
	CTRY_SLOVAKIA             = 703,     /* Slovak Republic */